Update the setup.py to be dynamic

1 files changed, 26 insertions, 8 deletions

diff --git a/setup.py b/setup.py
index 541eb42..2650773 100644
--- a/setup.py
+++ b/setup.py
@@ -1,33 +1,52 @@
 import os
+import re
 import sys
 
 base_directory = os.path.dirname(__file__)
 
-from setuptools import setup
+try:
+    from setuptools import setup, find_packages
+except ImportError:
+    print('This project needs setuptools in order to build. Install it using your package')
+    print('manager (usually python-setuptools) or via pip (pip install setuptools).')
+    sys.exit(1)
+
+try:
+    with open(os.path.join(base_directory, 'README.rst')) as file_h:
+        long_description = file_h.read()
+except OSError:
+    sys.stderr.write('README.rst is unavailable, can not generate the long description\n')
+    long_description = None
+
+with open(os.path.join(base_directory, 'pluginbase.py')) as file_h:
+    match = re.search(r'^__version__\s*=\s*([\'"])(?P<version>\d+(\.\d)*)\1$', file_h.read(), flags=re.MULTILINE)
+if match is None:
+    raise RuntimeError('Unable to find the version information')
+version = match.group('version')
 
 DESCRIPTION = """\
 PluginBase is a module for Python that enables the development of flexible \
 plugin systems in Python.\
 """
 
-with open(os.path.join(base_directory, 'README.md'), 'r') as file_h:
-    long_description = file_h.read()
-
 setup(
     name='pluginbase',
     author='Armin Ronacher',
     author_email='armin.ronacher@active-4.com',
     maintainer='Spencer McIntyre',
     maintainer_email='zeroSteiner@gmail.com',
-    version='1.0.1',
+    version=version,
     description=DESCRIPTION,
     long_description=long_description,
-    long_description_content_type='text/markdown',
     url='http://github.com/mitsuhiko/pluginbase',
     py_modules=['pluginbase'],
     zip_safe=False,
     classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Environment :: Plugins',
+        'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
+        'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
@@ -38,7 +57,6 @@ setup(
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: Implementation :: PyPy',
-        'Environment :: Plugins',
-        'Intended Audience :: Developers',
+        'Topic :: Software Development :: Libraries :: Python Modules'
     ]
 )